WiFive wrote:rudi ;-) wrote: ulp has I2C Master "HW" driverThe ULP co-processor can use a separate I2C controller, located in the RTC domain, to communicate with
external I2C slave devices. RTC_I2C has a limited feature set, compared to I2C0/I2C1 peripherals.
can use a separate I2C controller, located in the RTC domain
HW or SW mode?